Collection of exercises

Pagina 1

1 - RAYLEIGH - FANNO - ISOENTROPIC T RAYlEl9HtFANN0tlS0ENTR0P1c reslstgetvvgchamberFfn00MIbodyoftheflaqasMedlUMrs0xlgen02MM 329lmolf d 4cp9A82lkgKUanook505 a07Palsec a heat frictionisentropic 90bar gz 1,2 9 Ue f ae iiH is J M 0,2 YE 40mm E 900 Me roughness Quote gocostI 1 A EvaluateMAXQin that LEADSTOCHOCKING 2 Compute theproblemusing80 of Qin 1 Qin Mpcp1702To d 702 chockingcondition To ' t RAYLEGMODEL're 1 tabulatedTilmeaae storageT forM 0,2 to 7 4 0,973 to 70 1734K to Qin 2632kW In this conditionthe resistojetcan'toperate 2 Peteet 804Qinax 2405,6kW 702 Te s t PE 9247k mopop Nolan Ma 7 to Rayleightables v v 701 701 TOI To s To hugTO2 ma 7020 42 0.66 to Me 0,48 tn h aao Poor 8,90bar T Rayleigh is applied to YE.gg MEEi9ftk at the injection Pog90bar Poz 9,90bar bad Fannomodel G fr 90pA 5,4cm 7, 9959 Rey Pathak 8,83205 to MOODY's DIAGRAM to f 0,028 of 0,0045 T Fanno is applied 2h03 Fannomodel 4951 495 4 a f through allthe combustion chamber 495 0.922Fanta Mg 0,52Ta b l e POST PIETI.se.IOz o.f0i944tBPog 8,58bar Bar 703 702 1247K To t a lPropertiesenteringthenoon ofIsoentropic noon IT 4 121,1484 ftp.JF Isoentropictables EE to Ma G95 to PEI 3.9903 to Pe 4P too 70,3 10,65 to 906111TE Boo 7251 Iisentropic1 43 149,9SEC fh 2 - NOZZLE (opt, non opt) T 100 KN MM 29,391mob z 2000m optimalcond K 447 Po 70Atm To 3370 K compute Isp Ae zigzag mm Zs 2000me a vacuum 1st cease to Nagleoptimateat 2000fortheotherEs Zndcaferoptimatnoomforuacht OfNoone 2000M ASSUMPTION to frozenchemistry And so if the ccquantitiesremain the fame theexitquantitiesremainthe fame Fe PA 0,79atm fromtables PRESSURE compute G thenAr then E then AE In PASCALf fe d sYafa f 1 9050 bro onlyforoptimalexpansion condition Thetablerays onthiscigsLB IF YOUUSETHETABLEADDto fPEpPA_AI At 9 p At 8,55905mi PEIFFER AT choosingPE…